Must be a valid IPv4 or IPv6 ip address, e.g. 127.0.0.1 or 2001:DB8:0:0:8:800:200C:417A
Basic Info

City: unknown

Region: unknown

Country: Hong Kong

Internet Service Provider: New World Telecommunications Limited

Hostname: unknown

Organization: unknown

Usage Type: Data Center/Web Hosting/Transit

Comments:
Type Details Datetime
attack
Coordinated SSH brute-force attack from different IPs. pam_unix(sshd:auth):
2020-09-25 05:23:07
attackspambots
2020-07-30T12:08:20+0000 Failed SSH Authentication/Brute Force Attack. (Server 6)
2020-07-30 22:07:38
attack
Invalid user bruce from 123.1.157.166 port 51574
2020-07-19 13:16:57
attackbots
2020-07-18T05:12:50.603261abusebot-6.cloudsearch.cf sshd[19194]: Invalid user alison from 123.1.157.166 port 47495
2020-07-18T05:12:50.608737abusebot-6.cloudsearch.cf sshd[19194]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.1.157.166
2020-07-18T05:12:50.603261abusebot-6.cloudsearch.cf sshd[19194]: Invalid user alison from 123.1.157.166 port 47495
2020-07-18T05:12:52.869895abusebot-6.cloudsearch.cf sshd[19194]: Failed password for invalid user alison from 123.1.157.166 port 47495 ssh2
2020-07-18T05:18:00.066821abusebot-6.cloudsearch.cf sshd[19258]: Invalid user monitor from 123.1.157.166 port 35125
2020-07-18T05:18:00.072917abusebot-6.cloudsearch.cf sshd[19258]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.1.157.166
2020-07-18T05:18:00.066821abusebot-6.cloudsearch.cf sshd[19258]: Invalid user monitor from 123.1.157.166 port 35125
2020-07-18T05:18:01.557490abusebot-6.cloudsearch.cf sshd[19258]:
...
2020-07-18 14:20:31
attackspambots
Unauthorised connection attempt detected at AUO FR1 NODE2. System is sshd. Protected by AUO Stack Web Application Firewall (WAF)
2020-06-30 02:23:07
attackspambots
Jun 15 00:32:12 sip sshd[651111]: Failed password for invalid user tibero from 123.1.157.166 port 51984 ssh2
Jun 15 00:39:48 sip sshd[651275]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.1.157.166  user=root
Jun 15 00:39:50 sip sshd[651275]: Failed password for root from 123.1.157.166 port 53027 ssh2
...
2020-06-15 07:47:43
attack
Jun 15 00:29:08 gw1 sshd[29741]: Failed password for root from 123.1.157.166 port 38716 ssh2
...
2020-06-15 03:45:13
attack
2020-06-11T03:54:05.468481shield sshd\[14938\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.1.157.166  user=root
2020-06-11T03:54:07.440578shield sshd\[14938\]: Failed password for root from 123.1.157.166 port 49352 ssh2
2020-06-11T03:57:15.018150shield sshd\[15677\]: Invalid user yangzuokun from 123.1.157.166 port 33408
2020-06-11T03:57:15.021892shield sshd\[15677\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.1.157.166
2020-06-11T03:57:16.743192shield sshd\[15677\]: Failed password for invalid user yangzuokun from 123.1.157.166 port 33408 ssh2
2020-06-11 13:42:35
attackbotsspam
Jun  9 09:17:20 web8 sshd\[24459\]: Invalid user yuyin from 123.1.157.166
Jun  9 09:17:20 web8 sshd\[24459\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.1.157.166
Jun  9 09:17:22 web8 sshd\[24459\]: Failed password for invalid user yuyin from 123.1.157.166 port 58564 ssh2
Jun  9 09:24:42 web8 sshd\[28158\]: Invalid user oracle from 123.1.157.166
Jun  9 09:24:42 web8 sshd\[28158\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.1.157.166
2020-06-09 18:28:37
attack
2020-05-22T20:14:52.789600abusebot-3.cloudsearch.cf sshd[23825]: Invalid user smy from 123.1.157.166 port 37685
2020-05-22T20:14:52.797118abusebot-3.cloudsearch.cf sshd[23825]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.1.157.166
2020-05-22T20:14:52.789600abusebot-3.cloudsearch.cf sshd[23825]: Invalid user smy from 123.1.157.166 port 37685
2020-05-22T20:14:55.465768abusebot-3.cloudsearch.cf sshd[23825]: Failed password for invalid user smy from 123.1.157.166 port 37685 ssh2
2020-05-22T20:18:05.512316abusebot-3.cloudsearch.cf sshd[24138]: Invalid user jxn from 123.1.157.166 port 50038
2020-05-22T20:18:05.519514abusebot-3.cloudsearch.cf sshd[24138]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.1.157.166
2020-05-22T20:18:05.512316abusebot-3.cloudsearch.cf sshd[24138]: Invalid user jxn from 123.1.157.166 port 50038
2020-05-22T20:18:08.017471abusebot-3.cloudsearch.cf sshd[24138]: Failed password 
...
2020-05-23 05:44:09
attack
$f2bV_matches
2020-05-09 08:27:49
attackbots
May  7 10:52:07 santamaria sshd\[9250\]: Invalid user demo from 123.1.157.166
May  7 10:52:07 santamaria sshd\[9250\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.1.157.166
May  7 10:52:10 santamaria sshd\[9250\]: Failed password for invalid user demo from 123.1.157.166 port 53793 ssh2
...
2020-05-07 17:42:15
attackspambots
detected by Fail2Ban
2020-05-05 12:48:22
attackspam
2020-04-21T05:41:03.892741shield sshd\[3471\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.1.157.166  user=root
2020-04-21T05:41:04.968954shield sshd\[3471\]: Failed password for root from 123.1.157.166 port 60605 ssh2
2020-04-21T05:50:29.410452shield sshd\[5226\]: Invalid user test from 123.1.157.166 port 41192
2020-04-21T05:50:29.414624shield sshd\[5226\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.1.157.166
2020-04-21T05:50:31.193275shield sshd\[5226\]: Failed password for invalid user test from 123.1.157.166 port 41192 ssh2
2020-04-21 16:51:34
attackspam
2020-04-08T16:45:36.430794  sshd[6209]: Invalid user postgres from 123.1.157.166 port 60295
2020-04-08T16:45:36.443956  sshd[6209]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.1.157.166
2020-04-08T16:45:36.430794  sshd[6209]: Invalid user postgres from 123.1.157.166 port 60295
2020-04-08T16:45:38.823517  sshd[6209]: Failed password for invalid user postgres from 123.1.157.166 port 60295 ssh2
...
2020-04-09 01:49:00
attackspam
Repeated brute force against a port
2020-03-12 14:13:39
attack
Feb 27 13:06:46 server sshd\[674\]: Failed password for invalid user lizehan from 123.1.157.166 port 40117 ssh2
Feb 27 19:26:50 server sshd\[3481\]: Invalid user azureuser from 123.1.157.166
Feb 27 19:26:50 server sshd\[3481\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.1.157.166 
Feb 27 19:26:52 server sshd\[3481\]: Failed password for invalid user azureuser from 123.1.157.166 port 46357 ssh2
Feb 27 19:44:06 server sshd\[6116\]: Invalid user narciso from 123.1.157.166
Feb 27 19:44:06 server sshd\[6116\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.1.157.166 
...
2020-02-28 06:05:15
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 123.1.157.166
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 18214
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;123.1.157.166.			IN	A

;; AUTHORITY SECTION:
.			476	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020022701 1800 900 604800 86400

;; Query time: 110 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 28 06:05:07 CST 2020
;; MSG SIZE  rcvd: 117
Host info
Host 166.157.1.123.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 166.157.1.123.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
49.69.48.65 attackbots
Aug  3 04:24:51 rb06 sshd[25262]: Bad protocol version identification '' from 49.69.48.65 port 51062
Aug  3 04:24:55 rb06 sshd[25263]: Failed password for invalid user ubnt from 49.69.48.65 port 51189 ssh2
Aug  3 04:24:55 rb06 sshd[25263]: Connection closed by 49.69.48.65 [preauth]
Aug  3 04:24:59 rb06 sshd[25285]: Failed password for invalid user osboxes from 49.69.48.65 port 52223 ssh2
Aug  3 04:24:59 rb06 sshd[25285]: Connection closed by 49.69.48.65 [preauth]
Aug  3 04:25:03 rb06 sshd[25300]: Failed password for invalid user openhabian from 49.69.48.65 port 53181 ssh2
Aug  3 04:25:04 rb06 sshd[25300]: Connection closed by 49.69.48.65 [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=49.69.48.65
2019-08-03 11:11:09
84.245.71.117 attack
2019-08-02T22:53:14.153774abusebot-8.cloudsearch.cf sshd\[24239\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=84.245.71.117  user=games
2019-08-03 11:10:17
119.29.104.238 attack
Aug  2 20:03:21 debian sshd\[12110\]: Invalid user instrume from 119.29.104.238 port 50016
Aug  2 20:03:21 debian sshd\[12110\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.29.104.238
Aug  2 20:03:23 debian sshd\[12110\]: Failed password for invalid user instrume from 119.29.104.238 port 50016 ssh2
...
2019-08-03 11:12:04
89.35.39.194 attackbotsspam
08/02/2019-21:19:43.129068 89.35.39.194 Protocol: 6 ET CINS Active Threat Intelligence Poor Reputation IP group 95
2019-08-03 10:52:30
188.166.1.95 attackspam
Brute force SMTP login attempted.
...
2019-08-03 11:20:48
140.143.230.161 attackbots
Aug  2 22:11:10 lnxmysql61 sshd[4804]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.230.161
2019-08-03 11:25:58
209.17.96.130 attackspambots
Port scan attempt detected by AWS-CCS, CTS, India
2019-08-03 10:45:19
217.182.252.63 attackspambots
Aug  3 04:46:58 SilenceServices sshd[20907]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=217.182.252.63
Aug  3 04:46:59 SilenceServices sshd[20907]: Failed password for invalid user egg from 217.182.252.63 port 50488 ssh2
Aug  3 04:55:29 SilenceServices sshd[29066]: Failed password for root from 217.182.252.63 port 38536 ssh2
2019-08-03 11:18:32
14.29.244.64 attackspam
Automatic report - Banned IP Access
2019-08-03 11:35:08
72.189.130.39 attackbotsspam
Aug  3 00:26:35 icinga sshd[27432]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=72.189.130.39
Aug  3 00:26:37 icinga sshd[27432]: Failed password for invalid user factorio from 72.189.130.39 port 43637 ssh2
...
2019-08-03 10:44:44
187.37.1.171 attackbots
Aug  2 21:19:28 [snip] sshd[6223]: Invalid user 2 from 187.37.1.171 port 29761
Aug  2 21:19:28 [snip] sshd[6223]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.37.1.171
Aug  2 21:19:29 [snip] sshd[6223]: Failed password for invalid user 2 from 187.37.1.171 port 29761 ssh2[...]
2019-08-03 11:21:15
200.181.214.208 attack
5431/tcp
[2019-08-02]1pkt
2019-08-03 11:16:26
104.248.112.152 attackbotsspam
Web App Attack
2019-08-03 11:02:59
134.209.103.14 attack
Aug  2 22:50:07 localhost sshd\[12473\]: Invalid user hackett from 134.209.103.14
Aug  2 22:50:07 localhost sshd\[12473\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.209.103.14
Aug  2 22:50:08 localhost sshd\[12473\]: Failed password for invalid user hackett from 134.209.103.14 port 41818 ssh2
Aug  2 22:55:13 localhost sshd\[12693\]: Invalid user admin from 134.209.103.14
Aug  2 22:55:13 localhost sshd\[12693\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.209.103.14
...
2019-08-03 11:26:48
162.243.165.39 attackspam
$f2bV_matches
2019-08-03 11:24:22

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